Circuit for converting binary digital signals into pseudoternary A.C. pulses
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United States of America Patent
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Aug 24, 1982
Grant Date -
N/A
app pub date -
Nov 9, 1979
filing date -
Nov 18, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A binary coded signal is converted into pseudoternary coded form not by a complicated amplitude-modulation technique, but instead by application to a combination of flip-flops and logic gates. A clock pulse train, to which the binary coded signal is phase synchronized, is used to generate component pulse trains some of whose signal elements have only one half the duration of the bits of the binary coded signal. These component pulse trains are then combined to form the pseudoternary coded signal, in which some bits of the binary signal are represented by combinations of signal elements each having only half the bit duration and different respective ternary logic levels.
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